UrUr /ɜː $ ɜːr/ (also Ur of the Chal‧dees /ˌɜːr əv ðə kælˈdiːz $ -kɒːl-/)a city in ancient Mesopotamia (modern Iraq), which existed from about 3500 BC to about the 6th century BC. According to the Old Testament of the Bible,abraham was born there. →Sumer